Abstract
Electrocardiogram (ECG) is the record of origin and propagation of electrical potential through cardiac muscles. It provides information about heart functioning. Generally, ECG is printed on thermal paper. The person having heart abnormalities will have to maintain all the records for the diagnosis purpose, which requires large storage space and is minimized by storing in the computer using scanner. The stored data is processed manually, which is time consuming. So an automatic algorithm that is developed does the conversion of the ECG image to digital signal. In order to convert the image, image processing methods like binarization, morphological techniques have been used. Usage of morphological skeletonization helps in converting the image to digital signal form by finding the skeleton of the ECG signal. The performance of the conversion algorithm is analyzed using root-mean-square error (RMSE), and it was found good. The average error found between the binarized image and the skeletonized image is nearly 7.5%.
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Acknowledgements
The authors would like to thank the supports of the Department of Biomedical Engineering, MIT, Manipal University, Manipal and also the Department of Cardiology (Philips), CHC Hospital, Hebri for providing the ECG data needed for the study. The authors would also like to thank Mr. Nandish S. from School of Information Science for his time and help.
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Lewis, M.C., Maiya, M., Sampathila, N. (2018). A Novel Method for the Conversion of Scanned Electrocardiogram (ECG) Image to Digital Signal. In: Dash, S., Das, S., Panigrahi, B. (eds) International Conference on Intelligent Computing and Applications. Advances in Intelligent Systems and Computing, vol 632. Springer, Singapore. https://doi.org/10.1007/978-981-10-5520-1_34
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DOI: https://doi.org/10.1007/978-981-10-5520-1_34
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